blue smoke at start?

[T Bone0416]

well where do i start now that it's gotten cold here in nc it seems like when i start my truck for the first time everday it poors blue smoke till it gets warm and if i start out befor it gets warm like past 2000 rpms it misses and dont wanna get up and go likes it's not getting no fuel or i dont know. but it i let it warm up befor i leave it's fine it runs great and when it gets warm it runs great so you guys tell me

[Fox'sFord]

How often do you change your oil, and are using dino or synthetic? Mine only smoked when cold and switching to T6 5w-40 Rotella and 8oz of Rev-x cleared it up within the first couple days.

[T Bone0416]

every 5,000 and i just use rotella not cyn